Remove redundant Package.Unsupported class

Author: alexeysemenyukoracle

src/jdk.jpackage/share/classes/jdk/jpackage/internal/model/Package.java

@@ -328,56 +328,4 @@ record Stub(Application app, PackageType type, String packageName, String descri
             Optional<String> aboutURL, Optional<Path> licenseFile, Optional<Path> predefinedAppImage,
             Path relativeInstallDir) implements Package {
     }
-
-    /**
-     * Implementation of {@link Package} interface in which every method
-     * throws {@link UnsupportedOperationException} exception.
-     */
-    class Unsupported implements Package {
-
-        @Override
-        public Application app() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public PackageType type() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public String packageName() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public String description() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public String version() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public Optional<String> aboutURL() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public Optional<Path> licenseFile() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public Optional<Path> predefinedAppImage() {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public Path relativeInstallDir() {
-            throw new UnsupportedOperationException();
-        }
-    }
 }